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<html lang="zh-CN">
    <head>
        <meta charset="UTF-8" />
        <title>21_字符实体-使用</title>
    </head>
    <body>
        <!-- (1) &nbsp 空格 -->
        今天&nbsp;天气很好<br>
        今天&nbsp;&nbsp;天气很好


        <!-- (2) &lt; less than-->
        我想写一个&lt;h2标签
        &lt;

        <!-- (3)&gt;  great than -->
        &gt;
        更多>

        <!-- (4) &amp; & -->
        &amp;
        1 & 2
        &amp;nbsp;

        <!-- (5) &quot; -->
        &quot;


        <!-- (6) &acute; -->
        &acute;

        <!-- (7) &cent; -->
        &cent;

        <!-- (8) &pound; -->
        &pound;

        <!-- (9)&yen; -->
        &yen;

        <!-- (10)&euro; -->
        &euro;

        <!-- (11)&sect; -->
        &sect;

        <!-- (12)&copy; -->
        &copy;

        <!-- (13)&reg; -->
        &reg;

        <!-- (14)&trade; -->
        &trade;

        <!-- (15)&times -->
        &times;

        <!-- (16)&divide; -->
        &divide;
        

    </body>
</html>